LM MCP Server

by houtini-aiio.github.houtini-ai/lmv3.3.4

Connect Claude to any OpenAI-compatible LLM endpoint and offload routine work to a local model.

121Node.jsstdioofficial registry

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Active3d ago

Install LM MCP server

claude mcp add lm -e HOUTINI_LM_API_KEY='<houtini-lm-api-key>' -- npx -y @houtini/lm

{
  "mcpServers": {
    "lm": {
      "command": "npx",
      "args": [
        "-y",
        "@houtini/lm"
      ],
      "env": {
        "HOUTINI_LM_API_KEY": "<houtini-lm-api-key>"
      }
    }
  }
}

Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).

{
  "mcpServers": {
    "lm": {
      "command": "npx",
      "args": [
        "-y",
        "@houtini/lm"
      ],
      "env": {
        "HOUTINI_LM_API_KEY": "<houtini-lm-api-key>"
      }
    }
  }
}

Settings → Developer → Edit Config (claude_desktop_config.json), then restart.

{
  "servers": {
    "lm": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@houtini/lm"
      ],
      "env": {
        "HOUTINI_LM_API_KEY": "<houtini-lm-api-key>"
      }
    }
  }
}

Add to .vscode/mcp.json in your workspace.

{
  "mcpServers": {
    "lm": {
      "command": "npx",
      "args": [
        "-y",
        "@houtini/lm"
      ],
      "env": {
        "HOUTINI_LM_API_KEY": "<houtini-lm-api-key>"
      }
    }
  }
}

Add to ~/.codeium/windsurf/mcp_config.json.

Configuration

Variable	Required	Secret	Description
HOUTINI_LM_ENDPOINT_URL	—	—	Base URL of the OpenAI-compatible API endpoint (e.g. http://localhost:1234, https://openrouter.ai/api). Legacy alias: LM_STUDIO_URL.
HOUTINI_LM_API_KEY	—	yes	Bearer token for API authentication (no auth if blank). Legacy aliases: LM_STUDIO_PASSWORD, LM_PASSWORD, OPENROUTER_API_KEY.
HOUTINI_LM_MODEL	—	—	Model identifier to use for requests (auto-detected if not set). Legacy alias: LM_STUDIO_MODEL.
HOUTINI_LM_PROVIDER	—	—	Optional provider override: 'openrouter' forces OpenRouter-specific handling (attribution headers, reasoning.exclude, no inference serialisation). Auto-detected from the endpoint URL when possible.

Freshness

Active — last maintenance signal 3d ago. The newest of the signals below sets the band.

Last commit (default branch)
2026-10-06 · 3d ago · GitHub
Latest release
2026-03-18 · 7mo ago · GitHub · v2.8.0
Package published
no data · npm/PyPI
Registry entry updated
2026-10-07 · 3d ago · official registry · v3.3.4

FAQ

›How do I install the LM MCP server in Claude Code?

Run: claude mcp add lm -e HOUTINI_LM_API_KEY='<houtini-lm-api-key>' -- npx -y @houtini/lm. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.

›Does LM require an API key?

Yes. It expects HOUTINI_LM_API_KEY, of which 1 is a secret.

›Can I use LM as a remote (hosted) MCP server?

No hosted endpoint is published; it runs locally over stdio.

›Is LM in the official MCP registry?

Yes, as io.github.houtini-ai/lm.